As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GNDED. STRONG FUEL ODOR IN COCKPIT & CABIN WHEN APU BLEED AIR SWITCH IS ON. FOUND FUEL LEAKING FROM APU DRAIN MAST & DETERMINED THE SOURCE OF THE LEAK WAS THE APU FUEL CONTROL. APU FUEL CONTROL WAS REPLACED & A SATISFACTORY OPERATIONAL & LEAK CHECK WAS ACCOMPLISHED IAW AMM 49-32-11-400.